Update workshop documentation with instructions for Github Codespaces.

Author: ggbecker

docs/workshop/lab1_introduction.adoc

@@ -46,8 +46,13 @@ The `ComplianceAsCode` project consists of human-readable files that are compile
 For your convenience, the environment is already set up, so the content is built and ready to be used.
 No worries, though--you get to rebuild it later in the exercise.
 
-To start the hands-on section, take the following steps:
+To start the hands-on section, take one of the following steps:
 
+=== Github Codespaces
+. Go to: link:https://github.com/codespaces/new?hide_repo_select=true&ref=master&repo=19279458&skip_quickstart=true[Github Codespaces]
+. Select `ComplianceAsCode Workshop Exercise 1` in the `Dev container configuration` option.
+
+=== Gitpod
 . Go to: link:https://gitpod.io/#WORKSHOP=lab1_introduction/https://github.com/ComplianceAsCode/content[Lab 1 Environment]
 . Wait until all the steps being executed in the terminal are complete.
 

docs/workshop/lab2_openscap.adoc

@@ -44,12 +44,16 @@ The `ComplianceAsCode` project consists of human-readable files that are compile
 For your convenience, the environment is already set up, so the content is built and ready to be used.
 No worries, though--you get to rebuild it later in the exercise.
 
-To start the hands-on section, take the following steps:
+To start the hands-on section, take one of the following steps:
 
+=== Github Codespaces
+. Go to: link:https://github.com/codespaces/new?hide_repo_select=true&ref=master&repo=19279458&skip_quickstart=true[Github Codespaces]
+. Select `ComplianceAsCode Workshop Exercise 2` in the `Dev container configuration` option.
+
+=== Gitpod
 . Go to: link:https://gitpod.io/#WORKSHOP=lab2_openscap/https://github.com/ComplianceAsCode/content[Lab 2 Environment]
 . Wait until all the steps being executed in the terminal are complete.
 
-
 == Introduction to OpenSCAP Command Line Tool
 
 OpenSCAP provides a command line tool called `oscap` that can be used for automated security scanning.

docs/workshop/lab3_profiles.adoc

@@ -42,8 +42,13 @@ The `ComplianceAsCode` project consists of human-readable files that are compile
 For your convenience, the environment is already set up, so the content is built and ready to be used.
 No worries, though--you get to rebuild it later in the exercise.
 
-To start the hands-on section, take the following steps:
+To start the hands-on section, take one of the following steps:
 
+=== Github Codespaces
+. Go to: link:https://github.com/codespaces/new?hide_repo_select=true&ref=master&repo=19279458&skip_quickstart=true[Github Codespaces]
+. Select `ComplianceAsCode Workshop Exercise 3` in the `Dev container configuration` option.
+
+=== Gitpod
 . Go to: link:https://gitpod.io/#WORKSHOP=lab3_profiles/https://github.com/ComplianceAsCode/content[Lab 3 Environment]
 . Wait until all the steps being executed in the terminal are complete.
 

docs/workshop/lab4_ansible.adoc

@@ -48,8 +48,13 @@ The `ComplianceAsCode` project consists of human-readable files that are compile
 For your convenience, the environment is already set up, so the content is built and ready to be used.
 No worries, though--you get to rebuild it later in the exercise.
 
-To start the hands-on section, take the following steps:
+To start the hands-on section, take one of the following steps:
 
+=== Github Codespaces
+. Go to: link:https://github.com/codespaces/new?hide_repo_select=true&ref=master&repo=19279458&skip_quickstart=true[Github Codespaces]
+. Select `ComplianceAsCode Workshop Exercise 4` in the `Dev container configuration` option.
+
+=== Gitpod
 . Go to: link:https://gitpod.io/#WORKSHOP=lab4_ansible/https://github.com/ComplianceAsCode/content[Lab 4 Environment]
 . Wait until all the steps being executed in the terminal are complete.
 

docs/workshop/lab5_oval.adoc

@@ -57,8 +57,13 @@ The `ComplianceAsCode` project consists of human-readable files that are compile
 For your convenience, the environment is already set up, so the content is built and ready to be used.
 No worries, though--you get to rebuild it later in the exercise.
 
-To start the hands-on section, take the following steps:
+To start the hands-on section, take one of the following steps:
 
+=== Github Codespaces
+. Go to: link:https://github.com/codespaces/new?hide_repo_select=true&ref=master&repo=19279458&skip_quickstart=true[Github Codespaces]
+. Select `ComplianceAsCode Workshop Exercise 5` in the `Dev container configuration` option.
+
+=== Gitpod
 . Go to: link:https://gitpod.io/#WORKSHOP=lab5_oval/https://github.com/ComplianceAsCode/content[Lab 5 Environment]
 . Wait until all the steps being executed in the terminal are complete.